The majority of Dog Ear books are printed on-demand in response to orders in quantities as little as one at a time. Dog Ear can also print your book in a traditional offset manner,which dramatically reduces your per-unit cost. However, to achieve order quantities start at 2,000 units for such reduced printing prices.
Chronic respiratory diseases. WHO/Marko Kokic. Chronic respiratory diseases (CRDs) are diseases of the airways and other structures of the lung. Some of the most common are chronic obstructive pulmonary disease (COPD), asthma, occupational lung diseases and pulmonary hypertension.
Diseases and conditions of the respiratory system fall into two categories: Viruses such as influenza, bacterial pneumonia and the new enterovirus respiratory virus that has been diagnosed in children; and chronic diseases, such as asthma and chronic obstructive pulmonary disease (COPD).owever, cough can be a sign of chronic respiratory conditions such as asthma, chronic bronchitis or emphysema, he said. In chronic lung disease, most respiratory diseases present with shortness of breath, initially with exertion, such as walking a significant distance or climbing several flights of stairs..